Question

Let Q(x, y) be the statement “x + y = x − y.” If the domain for both variables consists of all integers, what are the truth values?

a)Q(1, 1)

b)Q(2, 0)

c)∀yQ(1, y)

d)∃xQ(x, 2)

e)∃x∃yQ(x, y)

f)∀x∃yQ(x, y)

g)∃y∀xQ(x, y)

h)∀y∃xQ(x, y)

i)∀x∀yQ(x, y)